astounding facts about the human body

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Astounding Facts about the human body

81. Astounding Facts 61
The average human head weighs about 10 pounds.
82. Astounding Facts 62
?The average human brain weighs about 3 pounds.
83. Astounding Facts 63
The DNA helix measures 80 billionths of an inch wide.
84. Astounding Facts 64
Your eyeballs are three and a half percent salt.
85. Astounding Facts 65
If Barbie were life size, her measurements would be 39 23 33. She would stand seven feet, two inches tall and have a neck twice the length of a normal human s neck.
86. Astounding Facts 66
?It takes about 20 seconds for a red blood cell to circle the whole body.
87. Astounding Facts 67
An average human drinks about 16,000 gallons of water in a lifetime.
88. Astounding Facts 68
Beards are the fastest growing hairs on the human body. If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime.
89. Astounding Facts 69
Humans shed about 600,000 particles of skin every hour about 1.5 pounds a year. By 70 years of age, an average person will have lost 105 pounds of skin.
90. Astounding Facts 70
?It only takes 7 pounds of pressure to rip your ear off.

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